import com.alibaba.fastjson.JSON;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendCallback;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;

import java.util.concurrent.CountDownLatch;

public class RocketRun {


    public static void main(String[] args) throws Exception {

        // 实例化消息生产者Producer
        DefaultMQProducer producer = new DefaultMQProducer("wolfcode-producer");

        // 设置NameServer的地址
        producer.setNamesrvAddr("192.168.1.88:9876");

        // 启动Producer实例
        producer.start();

        final CountDownLatch count = new CountDownLatch(100);

        for (int i = 0; i < 100; i++) {
            // 创建消息，并指定Topic，Tag和消息体

            Message msg = new Message("04-producer-type" /* Topic */,
                    "TagA" /* Tag */,
                    ("Hello RocketMQ " + i).getBytes("utf-8") /* Message body */

            );

            //发送同步消息到一个Broker
            producer.send(msg, new SendCallback() {
                @Override
                public void onSuccess(SendResult sendResult) {
                    count.countDown();
                    System.out.println("消息发送成功");
                    System.out.println(JSON.toJSONString(sendResult));

                }

                @Override
                public void onException(Throwable e) {
                    count.countDown();
                    System.out.println("消息发送失败" + e.getMessage());
                    System.out.println("处理失败消息");
                }
            });

        }

        count.await();

        // 如果不再发送消息，关闭Producer实例。

        producer.shutdown();

    }

}


//===========同步消息
//    public static void main(String[] args) throws Exception {
//        //1 创建一个生产者对象, 并且指定一个生产者组
//        DefaultMQProducer producer = new DefaultMQProducer("Producer-one");
//
//        //2 设置名字服务的地址
//        producer.setNamesrvAddr("192.168.1.88:9876");
//
//        //3 启动生产者
//        producer.start();
//
//        //4 创建一个消息
//        Message message = new Message("topic-one", "tag-one", "runFigb".getBytes("utf-8"));
//
//        //5 发送消息
//        producer.send(message);
//
//        //6 关闭连接
//        producer.shutdown();
//    }

